The most common and most likely answer to this crossword clue is the 8 letter word UNAFRAID
I've seen this crossword clue in The Times
U
N
A
F
R
A
I
D
More clues leading to the result UNAFRAID
- Confident United about to intensify attack
- Intoxicated faun to make incursion, being fearless
- Intrepid Sally on a fun helter-skelter
- Not frightened of a fraud in development
- Not scared when embroiled in a fraud
- Brave being involved in a fraud
- Confident swimmer, heading off following attack
- Fearless peacekeepers advanced and became edgy, reportedly …
- Oblivious of danger developing in a fraud
- Stubbs: fine artist associated with fish and game
Buddy explains!

The straight part
We know that "Confident" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case confident = unafraid.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does UNAFRAID mean?
UNAFRAID adjective- Not afraid.